Finding the Fourth Proportional to 30,116.48, 41,562.76 and 16,688.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,116.48 : 41,562.76 = 16,688.32 : x
2. Step 2: Convert to fraction form
   30,116.48/41,562.76 = 16,688.32/x
3. Step 3: Cross multiply
   30,116.48x = 41,562.76 × 16,688.32
4. Step 4: Simplify right side
   30,116.48x = 693,612,638.96
5. Step 5: Solve for x
   x = 693,612,638.96/30,116.48
6. Step 6: Final answer
   x = 23,031.00